.form-control{
    border-top-width: 0px;
    border-left-width: 0px;
    border-right-width: 0px;
    border-radius: 0px;
    outline:none;
}
input,button,select,textarea{outline:none}
textarea{resize:none}

.form-control.focus, .form-control:focus {
    border-bottom: 1px solid #ebedf2;
    border-top: 0px solid #ebedf2;
    border-left: 0px solid #ebedf2;
    border-right: 0px solid #ebedf2;
    border-radius: 0px;
    color: #575962;
}
select {
    /*Chrome和Firefox里面的边框是不一样的，所以复写了一下*/
    border: solid 1px #000; /*很关键：将默认的select选择框样式清除*/
    appearance:none;
    -moz-appearance:none;
    -webkit-appearance:none; /*在选择框的最右侧中间显示小箭头图片*/
    background: url("") no-repeat scroll rightright center transparent; /*为下拉小箭头留出一点位置，避免被文字覆盖*/
    padding-right: 14px; }

select::-ms-expand {/*清除ie的默认选择框样式清除，隐藏下拉箭头*/
    display: none;
}